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Isuzu 4JJ1X

Isuzu 4JJ1T Engine

The Isuzu 4JJ1T diesel engine provides industry leading performance and holds up to the Isuzu mantra of "Performance that goes to work". This engine is offered in a 70 HP, constant speed rating.


  • Displacement: 3.0 L
  • Turbocharged or turbocharged charge air cooled (CAC)
  • Fuel consumption: .355 LB/HP-HR
  • SAE 3 flywheel housing
  • Electric self-priming fuel lift pump
  • 12V or 24V electronics
  • Glow plug starting aid
  • High angularity oil pan
  • 500-hour service intervals
  • 5-year / 5,000-hour limited warranty*

Isuzu 4JJ1T Engine Specifications

  4JJ1T - 52 kW
Hp 70
kW 52
RPMs 2000
Liters 3.0
Cubic Inches 183.1
Dry Weight 709 lbs
Cylinders 4
Cycle 4 Stroke
Engine Rating Variable Speed
Emissions US EPA Tier 4F
EU Stage V